CN210412737U

CN210412737U - High-feed multi-edge milling cutter disc

Info

Publication number: CN210412737U
Application number: CN201920604991.2U
Authority: CN
Inventors: 王笃军; 孙波
Original assignee: Jiangsu Maohouhui Mechanical Equipment Co Ltd
Current assignee: Jiangsu Maohouhui Mechanical Equipment Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-28
Anticipated expiration: 2029-04-29

Abstract

The utility model relates to a high-feed multi-blade milling cutter disc, which comprises a cutter body disc, wherein a shaft hole is arranged in the cutter body disc, the cutter body disc comprises a cylindrical base and a base station, a plurality of chip grooves which are uniformly arranged at intervals are arranged on the periphery of the top of the base station, each chip groove comprises a first groove body, a second groove body and a third groove body which are sequentially connected, a boss is arranged at the top of the side of the first groove body, a hard alloy blade is arranged on the side wall of the boss, the main deflection angle a between the top of the hard alloy blade and the horizontal plane is 10-12 degrees, a central groove communicated with the shaft hole and the chip grooves is arranged at the center of the top of the base station, a groove, a plurality of first diversion grooves and second diversion grooves communicated with the groove are arranged on the front cutter face of the hard alloy blade, a hard alloy blade with a small main deflection angle and a multi-groove chip containing and discharging structure are adopted, the smooth chip removal is ensured, so that the feeding amount of the milling cutter disc is increased and the service life of the cutter is prolonged.

Description

High-feed multi-edge milling cutter disc

Technical Field

The utility model relates to a high throw-in multi-edge milling cutter disc belongs to cutting tool technical field.

Background

The milling cutter disc is a tool for processing and removing the surface of a part in the cutting process of a workpiece, the cutter disc is in a disc shape, a straight groove is formed, a tooth-inlaid hard alloy blade is installed, the cutter disc is installed on a milling machine spindle to realize milling, the cutting resistance acting on the blade is large due to large main deviation between a main cutting edge of the blade and the plane of the workpiece, the average chip thickness is thick, the cutter feeding amount is small, the force acting on a machine tool along the axial direction is small, when a deep cavity is processed, the vibration risk can be generated on the cutter handle of the milling cutter disc with long overhang, the service life of the cutter is influenced, chip containing capacity of a chip discharge groove structure of the straight groove is limited, chips of the hard alloy blade with a plane structure are difficult to concentrate into the chip discharge groove to discharge, and the cutting force and the service life of the cutter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a high throw facing cutter that feeds, the carbide blade and the multislot that adopt little main declination hold bits chip removal structure, can reduce the cutting resistance on smear metal thickness and the cutting edge, avoid processing dark die cavity, vibrations risk when the overhang is longer, guarantee that the chip removal is smooth and easy, thereby improve facing cutter and give into volume and cutter life.

The utility model discloses a realize through following technical scheme:

a high-feed multi-edge milling cutter disc comprises a cutter disc body, wherein a shaft hole is formed in the cutter disc body, the cutter disc body comprises a cylindrical base and a base platform which are connected into an integral structure, the top surface and the outer wall of the base platform are both in a conical surface structure, an arc angle is formed between the bottom of the base platform and the cylindrical base, a plurality of chip removal grooves which are uniformly arranged at intervals are formed in the periphery of the top of the base platform, and each chip removal groove comprises a first groove body, a second groove body and a third groove body which are sequentially connected;

the bottom of the first groove body is of an arc structure, the top of the side of the first groove body is provided with a boss, the side wall of the boss is provided with a hard alloy blade of a quadrangular frustum pyramid structure, the main deflection angle a between the top of the hard alloy blade and the horizontal plane is 10-12 degrees, the second groove body comprises three arc walls which are sequentially connected, the third groove body is of an arc structure, the top of the third groove body is inclined to the top of the side of the second groove body, and the center of the top of the base station is provided with a central groove communicated with the shaft hole and the chip discharge groove;

the front cutter face of the hard alloy blade is provided with a groove, a plurality of first guide grooves and a plurality of second guide grooves, the first guide grooves are communicated with the groove, the first guide grooves are located on two sides of the hard alloy blade, and the second guide grooves are located in the middle points of the periphery of the hard alloy blade.

The utility model has the advantages that:

(1) the cutter body disc is supported by a cylindrical base and a base platform and is provided with a central groove communicated with the shaft hole and the chip groove, so that the cutter body disc gives way for cutting the hard alloy blade, a main deflection angle a between the top of the hard alloy blade and the horizontal plane is 10-12 degrees, a smaller main deflection angle is adopted, the thickness of cutting scraps can be reduced during surface milling processing, the cutting resistance acting on a cutting edge is reduced, the cutting feed amount is improved, the force acting on a machine tool along the axial direction is larger, and the vibration risk caused by processing a deep cavity and overhung is avoided; (2) the hard alloy blade is arranged on the side of the first groove body with the boss, and the chip removal groove is formed by the multi-groove structure of the first groove body, the second groove body with three arc-shaped walls and the third groove body, so that the chip breaking and containing space of the chip removal groove is deepened and widened, the smooth chip removal is ensured, and the service life of the cutter is prolonged; (3) by adopting the front cutter face structure of the hard alloy cutter blade with the grooves, the first diversion grooves and the second diversion grooves, the cutting chips can be guided, the cutting resistance is reduced, and the feeding amount of the milling cutter disc is increased and the service life of the cutter is prolonged.

Drawings

Fig. 1 is a top perspective view of the present invention.

Fig. 2 is a bottom perspective view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a half-section structure diagram of the utility model.

(in the figure, a cutter body disc 1, a shaft hole 2, a notch 3, a cylindrical base 4, a base platform 5, an arc angle 6, a chip groove 7, a first groove body 8, a second groove body 9, a third groove body 10, a hard alloy blade 11, an arc-shaped wall 12, a central groove 13, a fourth groove body 14, a screw hole 15, a groove 16, a first diversion groove 17, a second diversion groove 18, a boss 19 and a bolt 20).

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

The utility model provides a high-feed multi-edge milling cutter dish, includes cutter body dish 1, be equipped with shaft hole 2 in the cutter body dish 1, shaft hole 2 is the shoulder hole structure, and cutter body dish 1 bottom both sides are equipped with notch 3 that passes shaft hole 2. The stepped hole-shaped shaft hole 2 is connected with the cutter handle or directly connected with a main shaft of the milling machine and is in limited close contact with the cutter handle through the notch 3, so that the milling cutter is prevented from vibrating cheaply, and the milling stability is improved;

the cutter body disc 1 comprises a cylindrical base 4 and a base table 5 which are connected into an integral structure, the top surface and the outer wall of the base table 5 are both in a conical surface structure, an arc angle 6 is arranged between the bottom of the base table and the cylindrical base 4, a plurality of chip removal grooves 7 which are uniformly arranged at intervals are formed in the periphery of the top of the base table 5, and each chip removal groove 7 comprises a first groove body 8, a second groove body 9 and a third groove body 10 which are sequentially connected;

the bottom of the first groove body 8 is of an arc structure, the top of the side of the first groove body is provided with a boss 19, the side wall of the boss 19 is provided with a hard alloy blade 11 of a quadrangular frustum pyramid structure, the main deflection angle a between the top of the hard alloy blade 11 and the horizontal plane is 10-12 degrees, the second groove body 9 comprises three arc walls 12 which are sequentially connected, the third groove body 10 is of an arc structure, the top of the third groove body is inclined to the top of the side of the second groove body 9, and the center of the top of the base station 5 is provided with a central groove 13 communicated with the shaft hole 2 and the chip groove 7;

be equipped with bolt 20 between carbide blade 11 and the base station 5, be equipped with fourth cell body 14 on the base station 5 at third cell body 10 side top, fourth cell body 14 one side is the arc, and is equipped with screw 15 on the inner wall. Pass carbide blade 11 through bolt 20 and link to each other with screw 15 and realize dismantling of carbide blade 11 and be connected, adopt fourth cell body 14 to make things convenient for screw 15 to set up, and the holding bits space of the increase with third cell body 10 intercommunication, avoid gluing the bits phenomenon, be favorable to improving the cutter life-span.

The front tool face of the hard alloy blade 11 is provided with a groove 16, a plurality of first guide grooves 17 and second guide grooves 18, the first guide grooves 17 are communicated with the groove 16, the first guide grooves 17 are located on two sides of the hard alloy blade 11, and the second guide grooves 18 are located at the middle points of the periphery of the hard alloy blade 11. The structure of the first diversion trench 17 and the second diversion trench 18 communicated with the groove 16 is adopted, so that cutting chips cut by the cutting edge are guided by the first diversion trench 17 and the second diversion trench 18 and are intensively beaten to the chip removal groove 7 by the groove 16, the cutting resistance is reduced, the chip breaking performance is good, and the chip removal performance is improved.

The vertical section of the first diversion trench 17 is in a V-shaped structure, and the side wall of the second diversion trench 18 is inclined to the front tool face of the hard alloy tool and is in an arc-shaped structure. By adopting the V-shaped first diversion trench 17 and the second diversion trench with the arc-shaped inclined side wall, cuttings at the tip of the hard alloy blade 11 can be conveniently guided to the center of the groove 16, and are not easy to deposit.

The milling cutter disc is fixed on a milling machine through a shaft hole 2 and a notch 3, the cutter body disc 1 is supported by a cylindrical base 4 and a base platform 5 and is provided with a central groove 13 communicated with the shaft hole 2 and a chip groove 7 to provide a way for cutting the hard alloy blade 11, a main deflection angle a between the top of the hard alloy blade 11 and the horizontal plane is 10-12 degrees, a smaller main deflection angle is adopted, the thickness of chips can be reduced during the surface milling processing, the cutting resistance acting on the cutting edge is reduced so as to improve the cutting feed amount, the material to be cut of the milling cutter disc is carbon steel or alloy steel, the feed amount fz (mm/t) can reach 1.5-2, the material to be cut of the milling cutter disc is die steel, austenite or martensite stainless steel or precipitation hardening stainless steel, the feed amount fz (mm/t) can reach 1.2-1.8, the material to be cut of the milling cutter disc is nickel-based heat-resistant alloy or titanium alloy, and the feed amount fz (mm/t) can reach 0.8-1.2;

meanwhile, the smaller main deflection angle has larger force acting on the machine tool along the axial direction, the vibration risk of processing a deep cavity and overhung is avoided, the cutter cannot be bent and deformed, and the radial cutting depth ae can reach 11.5 mm.

The hard alloy blade 11 is arranged on the side of the first groove body 8 with the boss 19, and the chip removal groove 7 is formed by the multi-groove structure of the first groove body 8, the second groove body 9 and the third groove body 10 of the three arc-shaped walls 12, so that the chip breaking and containing space of the chip removal groove 7 is deepened and widened, the smooth chip removal is ensured, the feeding amount of the milling cutter disc is increased, and the service life of a cutter is prolonged.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A high-feed multi-edge milling cutter disc comprises a cutter disc body, wherein a shaft hole is formed in the cutter disc body, and the high-feed multi-edge milling cutter disc is characterized in that the cutter disc body comprises a cylindrical base and a base station which are connected into an integral structure, the top surface and the outer wall of the base station are both in a conical surface structure, an arc angle is formed between the bottom of the base station and the cylindrical base, a plurality of chip grooves which are uniformly arranged at intervals are formed in the periphery of the top of the base station, and each chip groove comprises a first groove body, a second groove body and a third groove body which are sequentially;

first cell body bottom is the arc structure, and the side top is equipped with the boss, be equipped with the carbide blade of four arriss platform shape structures on the boss lateral wall, main declination an between carbide blade top and the horizontal plane is 10~12, the second cell body includes three consecutive arc wall, the third cell body is the arc structure, and the top inclines in the side top of second cell body, base station top center department is equipped with the central groove with shaft hole and chip groove intercommunication.

2. The high feed, multi-edge milling cutter head of claim 1 wherein said axial bore is stepped, and wherein recesses are provided through said axial bore on either side of the bottom of said cutter head.

3. The high-feed multi-edge milling cutter disc as claimed in claim 1, wherein bolts are arranged between the hard alloy blades and the base platform, a fourth groove body is arranged on the base platform at the top of the third groove body side, one side of the fourth groove body is arc-shaped, and a screw hole is formed in the inner wall of the fourth groove body.

4. The high-feed multi-edge milling cutter head according to any one of claims 1 to 3, wherein the front surface of the cemented carbide insert is provided with a groove, and a plurality of first guide grooves and second guide grooves which are communicated with the groove, the plurality of first guide grooves are positioned at two sides of the cemented carbide insert, and the plurality of second guide grooves are positioned at the middle point of the periphery of the cemented carbide insert.

5. The high feed throw multi-edge milling cutter disc of claim 4, wherein the vertical cross-section of the first channel is a V-shaped structure, and the side wall of the second channel is inclined to the rake face of the carbide tool and has an arc-shaped structure.